Author Question: Chemical digestion of protein begins in the stomach, where _____ denatures proteins and _____ begins ... (Read 91 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
Chemical digestion of protein begins in the stomach, where _____ denatures proteins and _____ begins to digest them into smaller pieces.
 
 A. hydrochloric acid, pepsinogen
  B. hydrochloric acid, pepsin
  C. gastrin, hydrochloric acid
  D. gastrin, pepsin

Question 2

The phenomenon that explains why identical twins may differ in certain ways is most appropriately called
 
 A. a mutation.
  B. epigenetic variation.
  C. sequential variation.
  D. transcriptional variation.



shayla

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

For a complete list of videos, visit our video library